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Finding the Fourth Proportional to 238,571.67, 357,857.61 and 112,119.12

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Solution

The fourth proportional to 238,571.67, 357,857.61 and 112,119.12 is: 168,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,571.67 : 357,857.61 = 112,119.12 : x
  2. Step 2: Convert to fraction form
    238,571.67/357,857.61 = 112,119.12/x
  3. Step 3: Cross multiply
    238,571.67x = 357,857.61 × 112,119.12
  4. Step 4: Simplify right side
    238,571.67x = 40,122,680,318.50
  5. Step 5: Solve for x
    x = 40,122,680,318.50/238,571.67
  6. Step 6: Final answer
    x = 168,178.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.